Write the following as ions as appropriate. Include state symbols:
1) Mg(OH)2(aq) 2) HNO3(aq) 3)
Mg(NO3)2(aq) 4) CaSO4(aq) 5)
2Al(NO3)3(aq)
Mg2+(aq) + 2OH-(aq) H+(aq) + NO3-(aq) Mg2+(aq) + 2NO3-(aq) Ca2+(aq) + SO42-(aq) 2Al3+(aq) + 6NO3-(aq)
Write the following as balanced ionic equations:
6 Ca(OH)2(aq) + H2SO4(aq) à CaSO4(aq) + 2H2O(l)
OH-(aq) + 2H+(aq) à H2O(l)
7 SrCO3(aq) + 2HNO3(aq) à Sr(NO3)2(aq) + H2O(l) + CO2(g)
CO32-(aq) + 2H+(aq) à H2O(l) + CO2(g)
8 Al(s) + H3PO4(aq) à AlPO4(aq) + 1.5
H2(g)
Al(s) + 3H+(aq) à Al3+(aq) + 1.5 H2(g)
9 AgNO3(aq) + NaCl(aq) à AgCl(s) + NaNO3(aq)
Ag+(aq) + Cl-(aq) à AgCl(s)
10 Dilute Nitric acid is
added to a solution of aluminium carbonate
CO32+(aq) + 2H+(aq) à H2O(l) + CO2(g)
11 Dilute sodium
hydroxide is added to a solution of iron (III) chloride. A red precipitate of iron (III) hydroxide and
sodium chloride solution is made
Fe3+(aq) + 3OH-(aq) à FeCl3(s)
12 Dilute silver nitrate
is added to a solution of potassium bromide.
A cream precipitate of silver bromide is made and one other aqueous
solution
Ag+(aq) + Br-(aq) à AgBr(s)